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Yawn - Wikipedia

en.wikipedia.org/wiki/Yawn

A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the ... Therefore, the "contagious" yawn could be an instinctual reaction to a signal from one mem...

Why Is Yawning So Contagious? | Psychology Today

www.psychologytoday.com/blog/the-athletes-way/201403/why-is-yawning-so-contagious

Mar 16, 2014 ... About half of adults yawn after someone else yawns due to a universal phenomenon called “contagious yawning.” Researchers at Duke ...

Does contagious yawning mean you're nice? | HowStuffWorks

science.howstuffworks.com/life/contagious-yawn.htm

Contagious yawning is associated with the same parts of the brain that deal with empathy, according to a recent study. Learn about contagious yawning.

Dear Science: Is yawning really contagious? - The Washington Post

www.washingtonpost.com/news/speaking-of-science/wp/2016/10/03/dear-science-is-yawning-really-contagious/

Oct 3, 2016 ... Yawning seems to be pretty much ubiquitous in the animal kingdom, and for some animals — many humans included — it really is contagious.

Psychopaths Might Be Immune to Contagious Yawning | Smart News

www.smithsonianmag.com/smart-news/pyschopaths-might-be-immune-contagious-yawning-180956386/

Aug 25, 2015 ... It has long been believed that “contagious yawning” is actually a deep-seated signal that demonstrates an empathetic connection with another ...

Why Is Yawning So Contagious? - MeMD

www.memd.me/yawning-contagious/

Dec 10, 2014 ... Why do we yawn? The center of many a scientific study, researchers have several theories about the science behind this contagious ...

Why Do We Yawn and Why Is It Contagious? | Science | Smithsonian

www.smithsonianmag.com/science-nature/why-do-we-yawn-and-why-is-it-contagious-3749674/

Jun 28, 2013 ... Pinpointing exactly why we yawn is a tough task, but the latest research suggests that our sleepy sighs help to regulate the temperature of our ...

BBC NEWS | UK | Magazine | Why is yawning contagious?

news.bbc.co.uk/2/hi/uk_news/magazine/6270036.stm

Jul 5, 2007 ... Rather than being a precursor to sleep, yawning is designed to keep us awake, say US researchers. But why does seeing someone else yawn ...

Why Do We Yawn - and Why Is Yawning So Contagious? - Healthy ...

www.everydayhealth.com/healthy-living/why-do-we-yawn-and-why-is-yawning-contagious.aspx

Dec 15, 2011 ... Ever wonder why we yawn or why yawning is contagious? We take a look at the most popular answers to this frequently asked question.

What makes a yawn contagious? | MNN - Mother Nature Network

www.mnn.com/earth-matters/animals/blogs/what-makes-yawn-contagious

Oct 2, 2015 ... It is a phenomenon called contagious yawning and it happens when we humans see, hear or even read or talk about yawning. It also happens ...

Answer
Yawning is thought to cool the brain and make it more alert. Simultaneous yawning may occur when a group of people are all breathing the same warm, stale air. Or contagious yawning may have evolved to help groups remain vigilant against danger.
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Why Are Yawns Contagious? | Mental Floss

mentalfloss.com

Jun 11, 2015 ... What is yawning? And why do we do so much of it? Neuroscientist and yawn expert Robert Provine says it's “ancient and autonomic.” It stems ...

Is yawning contagious? If so, why? What's the evidence? - Quora

www.quora.com

Update (Jan 2016): I wrote this answer several years ago. Though it currently has accumulated the most votes, there are now much better answers others have ...

Is that person a psychopath? A yawn might help you tell - TODAY.com

www.today.com

Jul 8, 2016 ... People high in psychopathic personality traits often don't "catch" the contagious yawn, a new study finds.